Pflanzenreich Haeckel (1866) - plants Division Euthallophyta Subdivision Schizophyta Class Schizophyceae Cohn (1879) - blue-green algae see Class Schizophyceae Knoblauch 1890 Subclass Psilonemateae Family Oscillatoriaceae Engl. (1898), nom. cons. see Family Oscillatoriaceae Engler 1898 nom. cons.